Answer:
In the core of stars
Step-by-step explanation:
Nuclear fusion is usually found in the cores of stars.
In nuclear fusion, there is a combination of atomic nuclei to form a larger one.
- The process is accompanied with the release of a large amount of energy.
- The energy released is used to set up another fusion reaction.
- In the sun, two hydrogen nuclei are combining to give a helium nuclei with the release of a large amount of energy.